Block calendar



FIG. 1 is a perspective view of a block calendar showing my new design;

FIG. 2 is an exploded perspective view showing some of the blocks removed; and

FIG. 3 is another exploded perspective view showing some of the blocks removed.

The indicia shown on the blocks in FIGS. 1-3 are for illustrative purposes only. The sides of the calendar not shown are plain and ornamented. 

The ornamental design for block calendar, as shown and described. 